Plot: When Robert Crane is charged with the murder of his sister's estranged husband Perry needs the testimony of sister Helen Reed to clear him of the charge. Unfortunately for all concerned, Helen suffers from multiple personality disorder and the second personality, Joyce Martel, is the one who is needed as the witness

Perry Mason - Season 1 - The Case of the Deadly Double (Episode 24)
Episode Aired On:
Saturday, March 1 1958
67 years ago
Saturday, March 1 1958
67 years ago